Pretreatment of composite organic acid cleaning wastewater by iron-carbon micro-electrolysis process

ZHANG Guiquan; WEN Huifeng; JI Guanghui; ZHU Tao; ZHANG Xiangjin; CAO Jieyu; LONG Guojun; YAO Jiantao

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Pretreatment of composite organic acid cleaning wastewater by iron-carbon micro-electrolysis process

Thermal Power Generation Issue 2, (2017)

更新时间：2025-09-28

- Pretreatment of composite organic acid cleaning wastewater by iron-carbon micro-electrolysis process
- 作者机构：
  
  1. 西安热工研究院有限公司,陕西,西安,710032
  2. 神华河北国华定州发电有限责任公司，河北定州,073000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.8
- Published Online：01 March 2017，
  
  Published：2017
- 稿件说明：
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ZHANG Guiquan, WEN Huifeng, JI Guanghui, et al. Pretreatment of composite organic acid cleaning wastewater by iron-carbon micro-electrolysis process[J]. Thermal Power Generation, 2017, (2).
DOI：

ZHANG Guiquan, WEN Huifeng, JI Guanghui, et al. Pretreatment of composite organic acid cleaning wastewater by iron-carbon micro-electrolysis process[J]. Thermal Power Generation, 2017, (2). DOI：

摘要

采用铁碳微电解法对锅炉酸洗产生的有机酸(羟基乙酸+甲酸)清洗废液进行预处理。研究铁碳质量比(m(铸铁屑)∶m(活性炭))、废水初始pH值、填料装填率(填料与废水质量比)、反应温度和停留时间等因素对化学需氧量(COD)降解效果的影响。结果表明:在铁碳比1∶2、废水初始pH=2.85、填料装填率25%、反应温度30 ℃、停留时间3 h的最佳工艺参数下

可获得最高COD降解率33.9%；填料连续反应5次后

仍然具有32.1%的COD降解率；反应过程中

废水pH值的升高可能是抑制有机物继续降解的主要原因。

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